Graphene counter electrodes for dye-sensitized solar cells prepared by electrophoretic deposition

Hyonkwang Choi, Hyunkook Kim, Sookhyun Hwang, +2

Journal of Materials Chemistry

Electrophoretic DepositionEngineeringChemistryPhotovoltaicsGraphene Nanomeshes +15

Dye-sensitized solar cells using graphene-based carbon nano composite as counter electrode

Hyonkwang Choi, Hyunkook Kim, Sookhyun Hwang, +2

Solar Energy Materials and Solar Cells

Materials ScienceGraphene NanomeshesGraphene Quantum DotEngineeringCarbon-based Material +6

High-quantum-efficiency 0.5 eV GaInAsSb/GaSb thermophotovoltaic devices

C. A. Wang, Hyonkwang Choi, Sara L. Ransom, +3

Applied Physics Letters

EngineeringEnergy ConversionOptoelectronic DevicesPhotovoltaicsSemiconductors +16

Auger lifetime in InAs, InAsSb, and InAsSb-InAlAsSb quantum wells

J. R. Lindle, J. R. Meyer, C. A. Hoffman, +3

Applied Physics Letters

Quantum SciencePhotoluminescenceEngineeringPhysicsAuger Rate +9

Fabrication and characterization of carbon-based counter electrodes prepared by electrophoretic deposition for dye-sensitized solar cells

Hyunkook Kim, Hyonkwang Choi, Sookhyun Hwang, +2

Nanoscale Research Letters

High-performance GaInAsSb thermophotovoltaic devices with an AlGaAsSb window

Hyonkwang Choi, C. A. Wang, G. W. Turner, +5

Applied Physics Letters

Wide-bandgap SemiconductorEngineeringEnergy ConversionOptoelectronic DevicesPhotovoltaics +19

Monolithic integration of GaAs/AlGaAs LED and Si driver circuit

Hyonkwang Choi, J.P. Mattia, G. W. Turner, +1

IEEE Electron Device Letters

Gaas/algaas LedElectrical EngineeringLed OutputEngineeringSolid-state Lighting +12

Effectiveness of non-linear graded buffers for In(Ga,Al)As metamorphic layers grown on GaAs (001)

Hyonkwang Choi, Young Kyu Jeong, Jaeyong Cho, +1

Journal of Crystal Growth

Aluminium NitrideElectrical EngineeringEngineeringApplied PhysicsMetamorphic Layers +4

Carbon nanotube–graphene composite for ionic polymer actuators

Woosung Yang, Hyonkwang Choi, Suho Choi, +2

Smart Materials and Structures

EngineeringCarbon NanotechnologyPolymer NanocompositesGraphene NanomeshesChemical Engineering +16

Electrochemical electrodes of graphene-based carbon nanotubes grown by chemical vapor deposition

Hyonkwang Choi, Hyunkook Kim, Sookhyun Hwang, +3

Scripta Materialia

Graphene NanomeshesChemical EngineeringEngineeringCarbon-based MaterialGraphene-based Carbon Nanotubes +7